Chemicals Quote by Francis William Aston

“With only one proton in its nucleus, hydrogen is the lightest and simplest element, made entirely during the big bang. Out of the ninety-four…

— Neil deGrasse Tyson

“helium became the first and only element in the chemist’s Periodic Table to be discovered someplace other than Earth. Okay,”

— Neil deGrasse Tyson

“dramatically, but helium gas was 10 times as expensive. Under these conditions, Dr. Eckener, a pilot whose primary concern was safety and as Director…

— John Provan

“All the elements other than hydrogen and helium make up just 0.04 percent of the universe. Seen from this perspective, the periodic system appears…

— Sam Kean

“As the cosmos continues to cool—dropping below a hundred million degrees—protons fuse with protons as well as with neutrons, forming atomic nuclei and hatching…

— Neil deGrasse Tyson

“Actually, under stellar conditions matter is generally so highly ionized that, as we shall see in greater detail in chapter vii, the uncertainty in…

— Subrahmanijan Chandrasekhar

“Further analysis of the Sun’s spectrum revealed the signature of an element that had no known counterpart on Earth. Being of the Sun, the…

— Neil deGrasse Tyson

[John] Dalton was a man of regular habits. For fifty-seven years he walked out of Manchester every day; he measured the rainfall, the temperature-a…

— Jacob Bronowski

Experimental work of great refinement is necessary in order to determine atomic weights. No relationships between them have yet been certainly found which make…

— Theodore William Richards

“The idea of an anthropic principle began with the remark that the laws of nature seem surprisingly well suited to the existence of life.…

— Steven Weinberg

Probably our atomic weights merely represent a mean value around which the actual atomic weights of the atoms vary within certain narrow limits... when…

— William Crookes

The elements which are the most widely diffused have small atomic weights.

— Dmitri Mendeleev